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Calculate work done when 1 mole of an id...

Calculate work done when 1 mole of an ideal gas is expanded reversibly from 20 L to 40 L at a constant temperature of 300 K. 

A

`7.78 KJ`

B

`- 1.73 KJ`

C

`11.73KJ`

D

`- 4.78 KJ`

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The correct Answer is:
B
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